Treating with minerals in the Middle Ages: the rare substance mūmiyā' (pitch-asphalt) and its medicinal uses in Byzantium
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Premodern medicine used a variety of mineral substances for therapeutic purposes. The present article deals with pitch-asphalt, and, in particular, a precious kind of it called mūmiyā' originating in Persia. It was first described in detail in the Arabic pha... ...
